TZT radar beeps



I cannot understand why my TZT beeps (one beep, then 3, then one again) when I switch the radar to transmit. It may beep again a few minutes later. Thanks.
Have you checked to see if you have any alarms or guard zones turned on?
You might just want to factory reset the unit to get all the settings back to default.
You can save your waypoints and setting, then shut the display down. Press and hold the HOME button as you power the unit up and keep holding the HOME button. The screen will offer special options. Touch on CLEAR ALL, then YES, then OKAY, then CLOSE.